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Finding the Fourth Proportional to 50.29, 75.35 and 32.22

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Solution

The fourth proportional to 50.29, 75.35 and 32.22 is: 48.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    50.29 : 75.35 = 32.22 : x
  2. Step 2: Convert to fraction form
    50.29/75.35 = 32.22/x
  3. Step 3: Cross multiply
    50.29x = 75.35 × 32.22
  4. Step 4: Simplify right side
    50.29x = 2,427.78
  5. Step 5: Solve for x
    x = 2,427.78/50.29
  6. Step 6: Final answer
    x = 48.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.